//package com.ynny.filter;
//
//import org.springframework.cloud.gateway.filter.GatewayFilterChain;
//import org.springframework.cloud.gateway.filter.GlobalFilter;
//import org.springframework.core.Ordered;
//import org.springframework.http.HttpStatus;
//import org.springframework.stereotype.Component;
//import org.springframework.web.server.ServerWebExchange;
//import reactor.core.publisher.Mono;
//@Component
//public class LoginFilter implements GlobalFilter, Ordered {
//    @Override
//    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
//       String  username = exchange.getRequest().getQueryParams().getFirst("username");
//       if (username == null ){
//           System.out.println("用户名为空，请填入用户名");
//           exchange.getResponse().setStatusCode(HttpStatus.UNAUTHORIZED);
//           return exchange.getResponse().setComplete();
//       }
//           return chain.filter(exchange);
//    }
//
//    @Override
//    public int getOrder() {
//        return 0;//顺序
//    }
//}
